Species · BCR 9 · BBS 2025 Release · 1966–2024
Common Grackle In Great Basin
Common Grackle in Great Basin has edged down: down 19% on the route-weighted index since 1993.
-19%Since 1993
13Routes In Region
17Years
Notable Signals
No notable trend signals for Common Grackle in Great Basin. See the full index history below.
Routes In Great Basin
| Leadore | IDAHO | 4 | 2009 |
| Mud Lake | IDAHO | 4 | 2019 |
| Ririe | IDAHO | 3 | 2017 |
| Picabo | IDAHO | 2 | 1991 |
| Bates | IDAHO | 2 | 2004 |
| Willis | NEVADA | 2 | 1999 |
| Baker | IDAHO | 1 | 2008 |
| Triangle | IDAHO | 1 | 1997 |
| Pocatello | IDAHO | 1 | 2000 |
| Blackft Res | IDAHO | 1 | 2007 |
| Dougal Res | IDAHO | 1 | 1998 |
| Preston | IDAHO | 1 | 2022 |
| Timpie Spg | UTAH | 1 | 2001 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.